[Bug 53230] user32:win - test_activateapp() fails randomly with fvwm

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=53230

Rémi Bernon <rbernon at codeweavers.com> changed:

           What    |Removed                     |Added
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                 CC|                            |rbernon at codeweavers.com

--- Comment #1 from Rémi Bernon <rbernon at codeweavers.com> ---
There's a race condition in user32 when multiple window activation messages are
queued, without being processed, and are later processed in the wrong order
because of recursive message processing.

Then there's also a race condition with X11 window activation events, which are
coming late and which are racing against normal user32 window activation logic
by re-activating windows that already went through the activation logic once.
This isn't going to be easy to fix as there's no way to tell X11 activation
events that the result of a window being mapped or restored, from activation
events that come from a user interaction.

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